1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
|
/*-
* ============LICENSE_START=======================================================
* ONAP : APP-C
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============LICENSE_END=========================================================
*/
package org.openecomp.appc.seqgen.dgplugin.impl;
import com.att.eelf.configuration.EELFLogger;
import com.att.eelf.configuration.EELFManager;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.apache.commons.lang3.StringUtils;
import org.openecomp.appc.dg.objects.*;
import org.openecomp.appc.domainmodel.Vnf;
import org.openecomp.appc.domainmodel.Vnfc;
import org.openecomp.appc.domainmodel.Vserver;
import org.openecomp.appc.domainmodel.lcm.VNFOperation;
import org.openecomp.appc.exceptions.APPCException;
import org.openecomp.appc.seqgen.SequenceGenerator;
import org.openecomp.appc.seqgen.dgplugin.SequenceGeneratorPlugin;
import org.openecomp.appc.seqgen.impl.SequenceGeneratorFactory;
import org.openecomp.appc.seqgen.objects.Constants;
import org.openecomp.appc.seqgen.objects.SequenceGeneratorInput;
import org.openecomp.appc.seqgen.objects.Transaction;
import org.onap.ccsdk.sli.core.sli.SvcLogicContext;
import java.io.IOException;
import java.util.*;
public class SequenceGeneratorPluginImpl implements SequenceGeneratorPlugin {
private static final EELFLogger logger = EELFManager.getInstance().getLogger(SequenceGeneratorPluginImpl.class);
@Override
public void generateSequence(Map<String, String> params, SvcLogicContext context) {
ObjectMapper objectMapper = new ObjectMapper();
String inputJSON = context.getAttribute("inputJSON");
logger.debug("Input to Sequence Generator " + inputJSON);
try {
SequenceGeneratorInput sequenceGeneratorInput = buildSequenceGeneratorInput(inputJSON);
List<Transaction> sequence = generateSequence(sequenceGeneratorInput);
String output = objectMapper.writeValueAsString(sequence);
logger.debug("Sequence Generator Output " + output);
context.setAttribute("output", output);
} catch (Exception e) {
logger.error("Error generating sequence", e);
context.setAttribute("error-code", "401");
context.setAttribute("error-message", "Error generating sequence " + e.getMessage());
}
}
private SequenceGeneratorInput buildSequenceGeneratorInput(String inputJson) throws IOException, APPCException {
ObjectMapper objectMapper = new ObjectMapper();
SequenceGeneratorInput sequenceGeneratorInput ;
objectMapper.configure(DeserializationFeature.ACCEPT_SINGLE_VALUE_AS_ARRAY, true);
objectMapper.configure(JsonParser.Feature.ALLOW_COMMENTS, true);
sequenceGeneratorInput = objectMapper.readValue(inputJson, SequenceGeneratorInput.class);
InventoryModel inventoryModel = buildInventoryModel(inputJson);
sequenceGeneratorInput.setInventoryModel(inventoryModel);
VnfcDependencyModel dependencyModel = buildDependencyModel(inputJson);
sequenceGeneratorInput.setDependencyModel(dependencyModel);
return sequenceGeneratorInput;
}
private List<Transaction> generateSequence(SequenceGeneratorInput sequenceGeneratorInput) throws APPCException {
if (sequenceGeneratorInput.getRequestInfo() == null) {
throw new APPCException("Request info is not provided in the input");
}
String action = sequenceGeneratorInput.getRequestInfo().getAction();
VNFOperation operation = VNFOperation.findByString(action);
if (operation == null) {
throw new APPCException("Invalid Action " + action);
}
SequenceGenerator sequenceGenerator = SequenceGeneratorFactory.getInstance().createSequenceGenerator(operation);
return sequenceGenerator.generateSequence(sequenceGeneratorInput);
}
// Dependency model is an optional attribute and may contain null values
private VnfcDependencyModel buildDependencyModel(String inputJson) throws IOException, APPCException {
Set<Node<Vnfc>> dependency = new HashSet<>();
ObjectMapper objectMapper = new ObjectMapper();
objectMapper.configure(JsonParser.Feature.ALLOW_COMMENTS, true);
JsonNode rootNode = objectMapper.readTree(inputJson);
JsonNode vnfcs = getVnfcsNode(rootNode);
if (vnfcs != null) {
for (JsonNode vnfcNode : vnfcs) {
String vnfcType = readVnfcType(vnfcNode);
String mandatory = readMandatory(vnfcNode);
String resilience = readResilience(vnfcNode);
Vnfc vnfc = new Vnfc(vnfcType, resilience, null, Boolean.parseBoolean(mandatory));
Node<Vnfc> currentNode = getNode(dependency, vnfcType);
if (currentNode == null) {
currentNode = new Node<>(vnfc);
dependency.add(currentNode);
} else {
currentNode.getChild().setMandatory(Boolean.valueOf(mandatory));
currentNode.getChild().setResilienceType(resilience);
}
JsonNode parents = vnfcNode.get("parents");
for (JsonNode parent : parents) {
String parentVnfcType = parent.asText();
Node<Vnfc> parentNode = getNode(dependency, parentVnfcType);
if (parentNode != null) {
currentNode.addParent(parentNode.getChild());
} else {
Vnfc parentVnfc = new Vnfc(parentVnfcType, null, null, false);
parentNode = new Node<>(parentVnfc);
currentNode.addParent(parentVnfc);
dependency.add(parentNode);
}
}
}
return new VnfcDependencyModel(dependency);
}
return null;
}
private String readResilience(JsonNode vnfcNode) {
String resilience = null;
if (vnfcNode.get("resilience") != null) {
resilience = vnfcNode.get("resilience").asText();
}
return resilience;
}
private String readMandatory(JsonNode vnfcNode) {
String mandatory ;
JsonNode mandatoryNode = vnfcNode.get("mandatory");
if (mandatoryNode == null) {
mandatory = "false";
} else {
mandatory = mandatoryNode.asText();
}
return mandatory;
}
private String readVnfcType(JsonNode vnfcNode) throws APPCException {
JsonNode vnfcTypeNode = vnfcNode.get(Constants.VNFC_TYPE);
if (vnfcTypeNode == null) {
throw new APPCException("vnfc-type is not available in dependency info");
}
return vnfcTypeNode.asText();
}
private JsonNode getVnfcsNode(JsonNode rootNode) {
JsonNode dependencyInfo = rootNode.get("dependency-info");
JsonNode vnfcs = null;
if (dependencyInfo != null) {
vnfcs = dependencyInfo.get("vnfcs");
}
return vnfcs;
}
private Node<Vnfc> getNode(Set<Node<Vnfc>> dependency, String vnfcType) {
for (Node<Vnfc> node : dependency) {
if (node.getChild().getVnfcType().equals(vnfcType)) {
return node;
}
}
return null;
}
private InventoryModel buildInventoryModel(String inputJson) throws IOException, APPCException {
ObjectMapper objectMapper = new ObjectMapper();
objectMapper.configure(JsonParser.Feature.ALLOW_COMMENTS, true);
JsonNode jsonNode = objectMapper.readTree(inputJson);
JsonNode inventoryInfo = jsonNode.get("inventory-info");
if (inventoryInfo == null) {
throw new APPCException("inventory-info is not provided in the input");
}
JsonNode vnfInfo = inventoryInfo.get("vnf-info");
if (vnfInfo == null) {
throw new APPCException("vnf-info is not provided in the input");
}
String vnfId = vnfInfo.get("vnf-id").asText();
String vnfType = vnfInfo.get("vnf-type").asText();
String vnfVersion = vnfInfo.get("vnf-version").asText();
Vnf vnf = new Vnf(vnfId, vnfType, vnfVersion);
JsonNode vms = vnfInfo.get("vm");
Map<Vnfc, List<Vserver>> vfcs = new HashMap<>();
for (JsonNode vm : vms) {
if(vm.get("vserver-id")== null){
throw new APPCException("vserver-id not found ");
}
String vserverId = vm.get("vserver-id").asText();
Vserver vserver = new Vserver(null, null, vserverId, null, null);
JsonNode vnfc = vm.get("vnfc");
if (vnfc.get("vnfc-name") == null) {
throw new APPCException("vnfc-name not found for vserver " + vserverId);
}
String vnfcName = vnfc.get("vnfc-name").asText();
if (vnfc.get("vnfc-type") == null) {
throw new APPCException("vnfc-type not found for vserver " + vserverId);
}
String vnfcType = vnfc.get("vnfc-type").asText();
if (StringUtils.isEmpty(vnfcType)) {
throw new APPCException("vserver " + vserverId + " is not associated with any vnfc");
}
Vnfc vfc = new Vnfc(vnfcType, null, vnfcName);
List<Vserver> vServers = vfcs.get(vfc);
if (vServers == null) {
vServers = new LinkedList<>();
vfcs.put(vfc, vServers);
}
vServers.add(vserver);
}
for (Map.Entry<Vnfc, List<Vserver>> entry : vfcs.entrySet()) {
Vnfc vnfc = entry.getKey();
List<Vserver> vServers = vfcs.get(vnfc);
vnfc.addVms(vServers);
vnf.addVnfc(vnfc);
}
return new InventoryModel(vnf);
}
}
|
